By focusing on the most meaningful tasks, we can often become better people to be around and more focused with our time. Learn to say no when it is appropriate and spend that time on relaxing.
By making a list of three or four simple bullet point ideas before going to bed, you can wake up in the morning with a much clearer focus on what you want to accomplish that day.
The cleaner your workspace, the easier it will be productivity-wise, as you will find that you will have a clearer focus. Hoarding anything that you do not really need is clutter in your life.
By learning and understanding some basic mindfulness techniques, you can find that you make better decisions, which in turn improves your productivity.
Learning to be very controlled in a habitual way when we check emails, social media, and similar tasks is a very quick way to free up more quality time and to immediately improve productivity.